<template>
    <div class="sidebar">
        <el-menu class="sidebar-el-menu" :default-active="onRoutes" :collapse="collapse" background-color="#324157"
            text-color="#bfcbd9" active-text-color="#20a0ff" unique-opened router>
            <template v-for="item in items">
                <template v-if="item.subs">
                    <el-submenu :index="item.index" :key="item.index">
                        <template #title>
                            <i :class="item.icon"></i>
                            <span>{{ item.title }}</span>
                        </template>
                        <template v-for="subItem in item.subs">
                            <el-submenu v-if="subItem.subs" :index="subItem.index" :key="subItem.index">
                                <template #title>{{ subItem.title }}</template>
                                <el-menu-item v-for="(threeItem, i) in subItem.subs" :key="i" :index="threeItem.index">
                                    {{ threeItem.title }}</el-menu-item>
                            </el-submenu>
                            <el-menu-item v-else :index="subItem.index" :key="subItem.index">{{ subItem.title }}
                            </el-menu-item>
                        </template>
                    </el-submenu>
                </template>
                <template v-else>
                    <el-menu-item :index="item.index" :key="item.index">
                        <i :class="item.icon"></i>
                        <template #title>{{ item.title }}</template>
                    </el-menu-item>
                </template>
            </template>
        </el-menu>
    </div>
</template>

<script>
    // import bus from "../common/bus";
    export default {
        data() {
            return {
                items: [{
                        icon: "el-icon-lx-home",
                        index: "dashboard",
                        title: "系统首页"
                    },
                    {
                        icon: "el-icon-s-tools",
                        index: "cmdb",
                        title: "CMDB配置",
                        subs: [{
                            index: "",
                            title: ""

                        }]
                    },
                    {
                        icon: "el-icon-s-tools",
                        index: "ansible",
                        title: "Ansible配置"
                    },
                    {
                        icon: "el-icon-lx-calendar",
                        index: "3",
                        title: "表单相关",
                        subs: [{
                            index: "form",
                            title: "基本表单"
                        }, ]
                    }
                ]
            };
        },
        computed: {
            onRoutes() {
                return this.$route.path.replace("/", "");
            },
            collapse() {
                return this.$store.state.collapse
            }
        }
    };
</script>

<style scoped>
    .sidebar {
        display: block;
        position: absolute;
        left: 0;
        top: 70px;
        bottom: 0;
        overflow-y: scroll;
    }

    .sidebar::-webkit-scrollbar {
        width: 0;
    }

    .sidebar-el-menu:not(.el-menu--collapse) {
        width: 250px;
    }

    .sidebar>ul {
        height: 100%;
    }
</style>